```js
// Checkbox.stories.js

import React from 'react';

import { Checkbox } from './Checkbox';

export default {
  title: 'MDX/Checkbox',
  component: Checkbox,
};

export const allCheckboxes = () => (
  <form>
    <Checkbox id="Unchecked" label="Unchecked" />
    <Checkbox id="Checked" label="Checked" checked />
    <Checkbox appearance="secondary" id="second" label="Secondary" checked />
  </form>
);
```